What to do when UMX MXG401 messaging won't open?

Whenever I try to open the messaging app on my MXG401, it gives me an error saying that messaging had stopped. I've been given a suggestion to clear the cache and the data, but I can't even access the apps section of Settings. The same seems to happen with a lot of other system applications and I would like to see a fix to this.

Hi Charles. That sucks. Did you recently install anything before the problem started happening? Try to boot in safe mode. To reboot in safe mode:

  1. Press and hold the Power button.
  2. Tap and hold Power off.
  3. When the Reboot to safe mode prompt appears, tap OK.

Once you're in safe mode, try to clear data and cache of messaging and uninstall the apps that you recently installed.

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